131017680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1$

素因数の和:945

約数の個数: 120

約数和(自身を含む): 442242528

約数和(自身を除く): 311224848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 283, 360, 566, 643, 720, 849, 1132, 1286, 1415, 1698, 1929, 2264, 2547, 2572, 2830, 3215, 3396, 3858, 4245, 4528, 5094, 5144, 5660, 5787, 6430, 6792, 7716, 8490, 9645, 10188, 10288, 11320, 11574, 12735, 12860, 13584, 15432, 16980, 19290, 20376, 22640, 23148, 25470, 25720, 28935, 30864, 33960, 38580, 40752, 46296, 50940, 51440, 57870, 67920, 77160, 92592, 101880, 115740, 154320, 181969, 203760, 231480, 363938, 462960, 545907, 727876, 909845, 1091814, 1455752, 1637721, 1819690, 2183628, 2729535, 2911504, 3275442, 3639380, 4367256, 5459070, 6550884, 7278760, 8188605, 8734512, 10918140, 13101768, 14557520, 16377210, 21836280, 26203536, 32754420, 43672560, 65508840, 131017680]

約数ペア:

[(1, 131017680), (2, 65508840), (3, 43672560), (4, 32754420), (5, 26203536), (6, 21836280), (8, 16377210), (9, 14557520), (10, 13101768), (12, 10918140), (15, 8734512), (16, 8188605), (18, 7278760), (20, 6550884), (24, 5459070), (30, 4367256), (36, 3639380), (40, 3275442), (45, 2911504), (48, 2729535), (60, 2183628), (72, 1819690), (80, 1637721), (90, 1455752), (120, 1091814), (144, 909845), (180, 727876), (240, 545907), (283, 462960), (360, 363938), (566, 231480), (643, 203760), (720, 181969), (849, 154320), (1132, 115740), (1286, 101880), (1415, 92592), (1698, 77160), (1929, 67920), (2264, 57870), (2547, 51440), (2572, 50940), (2830, 46296), (3215, 40752), (3396, 38580), (3858, 33960), (4245, 30864), (4528, 28935), (5094, 25720), (5144, 25470), (5660, 23148), (5787, 22640), (6430, 20376), (6792, 19290), (7716, 16980), (8490, 15432), (9645, 13584), (10188, 12860), (10288, 12735), (11320, 11574)]